.主体区 {
    padding: 30px;
    display: flex;
    align-items: center;
    flex-direction: column;
}

.注册框 {
    width: 360px;
    height: 500px;
    padding-top: 50px;
    padding-bottom: 50px;

    border-radius: 10px;
    background-color: rgba(255,255,255,0.7);
}

form {
    height: 100%;

    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: space-between;
}

h2 {
    font-size: 20px;
}

span {
    display: inline-block;
    width: 120px;
    text-align: left;
}
.sex {
    width: 225px;
}

.hobby {
    width: 125px;
}

.提交 {
    width: 290px;
    height: 30px;

    background: rgba(77,132,226);
    color: white;
    border: none;
}

.text {
    width: 165px;
    height: 25px;
    padding-left: 10px;

    border-radius: 5px;
    border: none;
}